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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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69
test/jdk/java/util/Scanner/spi/UseLocaleWithProvider.java Normal file
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/*
* Copyright (c) 2017, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8190278 8174269
* @summary checks the Scanner.useLocale() with java.locale.providers=SPI,
* CLDR. It should not throw ClassCastException if any SPI is
* used and NumberFormat.getInstance() does not return a
* DecimalFormat object. Also, to test the behaviour of Scanner
* while scanning numbers in the format of Scanner's locale.
* @modules jdk.localedata
* @library provider
* @build provider/module-info provider/test.NumberFormatProviderImpl
* provider/test.NumberFormatImpl
* @run main/othervm -Djava.locale.providers=SPI,CLDR UseLocaleWithProvider
*/
import java.util.Locale;
import java.util.Scanner;
public class UseLocaleWithProvider {
public static void main(String[] args) {
try {
testScannerUseLocale("-123.4", Locale.US, -123.4);
testScannerUseLocale("-123,45", Locale.of("fi", "FI"), -123.45);
testScannerUseLocale("334,65", Locale.FRENCH, 334.65);
testScannerUseLocale("4.334,65", Locale.GERMAN, 4334.65);
} catch (ClassCastException ex) {
throw new RuntimeException("[FAILED: With" +
" java.locale.providers=SPI,CLDR, Scanner.useLocale()" +
" shouldn't throw ClassCastException]");
}
}
private static void testScannerUseLocale(String number, Locale locale,
Number actual) {
Scanner sc = new Scanner(number).useLocale(locale);
if (!sc.hasNextFloat() || sc.nextFloat() != actual.floatValue()) {
throw new RuntimeException("[FAILED: With" +
" java.locale.providers=SPI,CLDR, Scanner" +
".hasNextFloat() or Scanner.nextFloat() is unable to" +
" scan the given number: " + number + ", in the given" +
" locale:" + locale + "]");
}
}
}